Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
aequŏrĕus, a, um, adj. [aequor], of or pertaining to the sea (only poet.): rex, Neptune, Ov. M. 8, 604: Britanni, the Britons surrounded by the sea, id. ib. 15, 753: genus, the ocean kind, fish, Verg. G. 3, 243: aquae, Mart. 10, 51 al.